My English teacher is really ___．She is often seen working in her office far into the night．

       A．warm-hearted     B．easy-going       C．hard-working   D．self-confident

I don't have enough money．I, _____, can't afford to buy Audi A3 Sportback．

       A．therefore         B．so              C．however              D．thus

Because of the powerful earthquake, telephone lines, electricity and water supplies were____ in that area for several days．

A．cut down　　 B．cut in　　　　 C．cut up D．cut off

China Daily is _____ a newspaper; it keeps us in touch with the world．

       A．no more than     B．not more than     C．more than         D．less than

It is every citizen's duty to _____ our country when she is attacked by the enemy．

       A．approach       B．defend         C．support           D．preserve

—How long have you been here?

—___ the end of last year．

　　　 A．Since　　　　 B．At　　　　　 C．By　　 　　　　　 D．In

It rained for several weeks, completely ____ our holiday．

       A．ruined         B．ruining          C．to ruin            D．ruin

Xiamen Xiang'an Tunnel, _____ is the first undersea tunnel built in mainland China, opened to traffic on April 26th．

       A．that           B．what               C．where             D．which

A survey of the opinions of experts ____ that drinking a glass of hot milk before going to bed helps one sleep well．

       A．shows         B．show          C．is showing         D．have shown

—Which of the two iPods do you prefer?

— To tell you the truth, I don't like _____ of them．

　　　 A．both 　　 B．either　　　　 　　　　　 C．none　 　　　　　　 D．neither